Nerve distribution of Brachial plexus

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Order of Brachial plexus nerves (MARMS)

Order of Brachial plexus nerves (MARMS)

Musculocutaneous, Axillary, Radial, Medial and Ulnar

Motor distribution of musculocutaneous nerve

coracobrachialis, biceps brachii and brachialis

Sensory distribution of musculocutaneous nerve

Skin of lateral forearm to base of thumb and elbow joint

motor distribution of axillary nerve

Deltoid and Teres major

Sensory distribution of axillary nerve

skin over deltoid and shoulder joint

Motor distribution of radial nerve

extensor group, brachioradialis, supinator + abductor pollicis longus

Sensory distribution of radial nerve

Skin over posterior forearm, wrist joint, elbow joint and lateral 3 1/2 digits

Motor distribution of median nerve

FCP, PL, Pronator T+Q, FDP, FPL, AbdPD, FPB, Lat 2 lumbricals

sensory distribution of median nerve

Skin of the lateral 3 ½ digits, corresponding palm, wrist + elbow joints

motor distribution of ulnar nerve

FCU, FDP, PB, FDM, FPB, lateral 2 lumbricals

Sensory distribution of ulnar nerve

Skin of the medial 1 ½ digits and corresponding palm and wrist joints